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Physically Cross-linked nanocellulose composites tailored from base bath and ferric (III) ion: Mechanical, water resistance and thermal property. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Jin X, Wang S, Sang C, Yue Y, Xu X, Mei C, Xiao H, Lou Z, Han J. Patternable Nanocellulose/Ti 3C 2T x Flexible Films with Tunable Photoresponsive and Electromagnetic Interference Shielding Performances. ACS APPLIED MATERIALS & INTERFACES 2022; 14:35040-35052. [PMID: 35861436 DOI: 10.1021/acsami.2c11567] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Nanocellulose-mediated MXene composites have attracted widespread attention in the fields of sustainable energy, wearable sensors, and electromagnetic interference (EMI) shielding. However, the effects of different nanocelluloses on the multifunctional properties of nanocellulose/Ti3C2Tx composites still need further exploration. Herein, we use three types of nanocelluloses, including bacterial cellulose (BC), cellulose nanocrystals (CNCs), and 2,2,6,6-tetramethylpiperidin-1-yloxy (TEMPO)-oxidized cellulose nanofibers (TOCNs), as intercalation to link Ti3C2Tx nanosheets via a self-assembly process, improving the dispersibility, film-forming ability, mechanical properties, and multifunctional performances of nanocelluloses/Ti3C2Tx hybrids through electrostatic forces and hydrogen bonding. The optimized ultrathin (∼40 μm) TOCN/Ti3C2Tx film integrates excellent tensile strength (∼98.89 MPa), long-term stability (during deformation and water erosion), favorable photoelectric response (photosensitivity up to 2620%), and temperature response (reaching 163 °C in only 12 s). Laser-cutting patterned TOCN/Ti3C2Tx films are assembled into flexible multifunctional electronics, exhibiting splendid photoresponse performances and tunable electromagnetic energy shielding capability (>96.4%) related to the variation of water content at the film-gel electrolyte interface. Multifunctional patterned devices based on TOCN/Ti3C2Tx composite films provide a novel pathway to rationally design wearable EMI devices with photoelectric response and photothermal conversion.
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Affiliation(s)
- Xiaoyue Jin
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Shaowei Wang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Chenyu Sang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Yiying Yue
- College of Biology and Environment, Nanjing Forestry University, Nanjing 210037, China
| | - Xinwu Xu
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Changtong Mei
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, 15 Dineen Drive, Fredericton, New Brunswick E3B 5A3, Canada
| | - Zhichao Lou
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
- College of Engineering, University of Georgia, Athens, Georgia 30605, United States
| | - Jingquan Han
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
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Facile adjustment on cellulose nanocrystals composite films with glycerol and benzyl acrylate copolymer for enhanced UV shielding property. Int J Biol Macromol 2022; 204:41-49. [PMID: 35122797 DOI: 10.1016/j.ijbiomac.2022.01.168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/22/2022] [Accepted: 01/28/2022] [Indexed: 11/21/2022]
Abstract
In the present work, cellulose nanocrystals (CNCs) composite films with suitable applicable capabilities were prepared by facilely incorporating glycerol (Gly) and poly(benzyl acrylate) (PBA). Chemical and morphological variations during the fabrication of the films were systematically characterized. The properties of modified CNCs composite films including UV blocking ability, mechanical strength and thermal properties were characterized to assess their applicable potentials. As a result, the composite films have good UV shielding property in UVC (220-280 nm) region and UVB (280-320 nm) region. The shielding performance of the modified film in the ultraviolet absorption region reached 92.77% to 95.49% respectively, without damaging the original chiral nematic structure of the films. Along with the modification, BACNC film improved the mechanical properties, presenting the tensile strength 16 times higher compared to pure CNCs film. The nanocomposite films proposed in this work showed promising potentials in broad fields, such as food preservation, medical protection, and surface coating applications.
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Leite A, Viotto H, Nunes T, Pasquini D, Pero A. Cellulose nanocrystals into Poly(ethyl methacrylate) used for dental application. POLIMEROS 2022. [DOI: 10.1590/0104-1428.20210066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Andressa Leite
- Universidade Estadual Paulista “Júlio de Mesquita Filho”, Brasil
| | - Hamille Viotto
- Universidade Estadual Paulista “Júlio de Mesquita Filho”, Brasil
| | - Thais Nunes
- Universidade Estadual Paulista “Júlio de Mesquita Filho”, Brasil
| | | | - Ana Pero
- Universidade Estadual Paulista “Júlio de Mesquita Filho”, Brasil
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Santana TDS, Leite ARP, Pasquini D, Pero AC. Effect of the incorporation of cellulose nanocrystals into a microwave‐polymerized denture base resin: Cellulose nanocrystals into a denture base resin. STARCH-STARKE 2021. [DOI: 10.1002/star.202100212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Thais de Sousa Santana
- Department of Dental Materials and Prosthodontics Araraquara Dental School Univ Estadual Paulista (UNESP) Araraquara São Paulo Brazil
| | - Andressa Rosa Perin Leite
- Department of Dental Materials and Prosthodontics Araraquara Dental School Univ Estadual Paulista (UNESP) Araraquara São Paulo Brazil
| | - Daniel Pasquini
- Chemistry Institute Universidade Federal de Uberlândia Campus Santa Mônica Uberlândia Minas Gerais Brazil
| | - Ana Carolina Pero
- Department of Dental Materials and Prosthodontics Araraquara Dental School Univ Estadual Paulista (UNESP) Araraquara São Paulo Brazil
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Hou DF, Liu ZY, Zhou L, Tan H, Yang W, Yang MB. A facile strategy towards heterogeneous preparation of thermoplastic cellulose grafted polyurethane from amorphous regenerated cellulose paste. Int J Biol Macromol 2020; 161:177-186. [DOI: 10.1016/j.ijbiomac.2020.05.203] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/08/2020] [Accepted: 05/24/2020] [Indexed: 01/22/2023]
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